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Internal Bore Micrometers | ||
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Brown & Sharpe Style A INTRIMIK / IMICRO For direct analog readings, like a micrometer, of bore diameters, using 3-point measurement. This eliminates errors associated with comparator gages such as dial bore gages. These are premium quality tools made in Switzerland by Tesa, sold in the US with the Brown & Sharpe brand name. These intrimiks are available to read diameters from .275" to 12". With optional extensions, the depth of the bore can be as much as 40 inches. Metric versions read from 3.5 mm to 300 mm with a 100 cm depth extension available on larger models. It will not be possible to measure to the very bottom of blind holes with this particular model (use the Etalon ingage instead, see below). For calibration purposes, one setting ring (not included) will be required per tool. Quality rating: A+
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Tesa Micromaster INTRIMIK with digital display The same as Style A, but with an LCD display. Available individually up to 11.80" or in sets. Exercise caution when buying electronic gages. They're expensive and although they have advantages with easier read outs, they often times can not be economically repaired. Their useful life is likely to be shorter than the mechanical versions of the same gage. Ask us to fax you details.
Style B Tesa INTRIMIK / TRI-O-BOR These Swiss-made internal micrometers offer 3-point contact to the bottom of blind holes. They're self-centering and self-aligning for consistent readings. Ranges are from .600" to 2.400" with a measuring depth of only 2.5". An optional 6" extension is available. These gages feature mechanical digital readings in .0002" graduations. Interchangeable measuring arms extend the range from 2.400" to 4.800" These arms can be bought separately. All can be bought as complete sets. Metric versions measure from 15 mm to 120 mm. See page 174 for full details.
Tesa TRIOMATIC Electronic Bore Gage This is the new digital electronic version of Style B showing Swiss craftsmanship at its finest. Twelve different tools will measure from .600" to 4.800" and are available individually or in sets. Exercise caution when buying electronic gages. Although they have advantages with easier read outs, they often times can not be economically repaired. Their useful life is likely to be shorter than the mechanical versions of the same gage. At present time, there is no repair service in the US for these gages. If they are damaged the manufacturer will offer you a rebuilt unit in exchange. Uses two SR44 batteries. Ask us for details.
All styles, individual and sets, for digital or analog. Your choice of mahogany or molded plastic available for most sizes. Ask us for details.
For deep hole measurement. Available in 4", 6", 20" and 40" (100 mm, 150 mm, 500 mm, 1000 mm) lengths. It's possible to combine extensions but better to use a single extension of the right length. Ask us for details.
Setting Rings for INTRIMIK and INGAGES
Setting rings are an absolute necessity for these gages. Buy one ring for each tool, preferably for the middle of the tool's range or, better yet, for the exact dimension you need to measure. If you must skimp, then buy one ring for the high end of one gage so that it can double for the low end of the next gage. Available in any custom size. See details on page 163.
Etalon INGAGE 531 internal bore micrometer Direct readings, with extended anvils to reach the bottom of blind holes. These have a vernier reading of .0001" with accuracy of plus/minus .0001". Each set has an extension (4" or 6") for measuring deep bores. Extra extensions can be added. The irregular spacing of the anvils can be used to measure out-of-roundness. 18 gages will measure the range from .188" to 4.005" or 4.78 mm to 100.10 mm. They're available singly or in sets. Larger models reading in .0005" extend the range from 4" to 6" (99.8 mm to 300.2 mm). These Etalon ingages were also sold under the Lufkin name during the 1960's. For details and more information refer to Etalon Ingage 531.
Dial bore gages are comparators which do not offer direct readings. They feature an indicator which shows deviations in .0001" or 0.002 mm attached to a measuring stem with one retractable anvil. This allows for 2-point measurement. For more information see | ||
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